Impact situation assessment of multiple connection number on miners' physical and mental safety

doi:10.16265/j.cnki.issn1003-3033.2021.10.026

Abstract

Abstract: In order to effectively analyze impacts on physical and mental safety situation of miners in deep wells, an influence index system of their safety was established. Then, FAHP method and IE method were employed to obtain final weights, and an impact assessment model of multiple connection number based on set pair analysis was developed to identify situations of miners' safety being influenced and its development trend. Finally, the model was applied to a case study in a hot wet gold mine in Henan province, physiological, psychological and behavioral indexes of its miners under three wind speed conditions and five temperature ranges were measured, and five element connection number was used for impact assessment. The results show that the development trend of miners' own safety in high temperature mines is constantly changing, featuring fluctuating forward variance and a mixture of similarity and difference. Indicators of reverse trend or equalizing trend include arm strength, reflexes, core temperature and heart rate, which could lead to an increase of risk degree.

Key words: miners' physical and mental safety, multivariate connection number, impact situation assessment, set pair analysis, fuzzy analytic hierarchy process (FAHP), information entropy (IE)

CLC Number:

X911
X912

NIE Xingxin, MA Yijie, AI Weixi, SUN Hao. Impact situation assessment of multiple connection number on miners' physical and mental safety[J]. China Safety Science Journal, 2021, 31(10): 189-195.

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